Umbral Enchantress vs Boltsmith

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Umbral Enchantress	Demonspawn	Void	Defence	Epic	-
Boltsmith	Dwarves	Force	Attack	Rare	Attack 20% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Umbral Enchantress	60	6	15360	925	1354	93	15	50	45	0
Boltsmith	60	6	15030 -330	1465 +540	562 -792	94 +1	15	57 +7	30 -15	0

Umbral Enchantress	Essence Scepter Formula: (3.3+(1-HP_PERC))*DEF Attacks 1 enemy. Damage increases as current HP decreases.	Immolate Formula: 3.6*DEF Attacks all enemies. Has an 80% chance of placing a [Block Buffs] debuff for 3 turns. Cooldown: 3 Block Buffs	Undying Evil Formula: 4*DEF Attacks all enemies. Has an 80% chance of placing a [Provoke] debuff for 2 turns. Places an [Unkillable] buff on this Champion for 2 turns. Places a [Block Active Skills] debuff on this Champion for 5 turns. The [Block Active Skills] debuff cannot be resisted or blocked and cannot be removed. Cooldown: 5 Block Cooldown Skills Unkillable Provoke
Boltsmith	Quarrel Cripple Formula: 1.5*ATK Attacks 1 enemy 2 times. Each hit has a 15% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Decrease SPD 15%	Trained Eye Places a 15% [Increase C. RATE] buff and a 30% [Increase C. DMG] buff on this Champion for 2 turns. Grants an Extra Turn. Cooldown: 4 Increase C. RATE 15% Increase C. DMG	Piercer Munitions Formula: 4.2*ATK Attacks 1 enemy. Will ignore 30% of the target’s DEF. Cooldown: 4